Necessary dating

Prior to 1905 the best and most accepted age of the Earth was that proposed by Lord Kelvin based on the amount of time necessary for the Earth to cool to its present temperature from a completely liquid state.

Our sites are equipped with the latest and most progressive technology to make online dating an enjoyable and interactive experience.

To meet and exceed customer satisfaction by continuing to provide safe, interactive, affordable and technologically progressive dating services to a growing membership base across the world.

Cupid Media's company philosophy includes the salient points that we believe will help us create and retain a loyal membership base while maintaining high ethical standards to achieve profitable growth.

In cases when the year of publication was not shown on the cover or in the legend, map companies put date codes at the bottom of the main map. While Rand Mc Nally always used the first letter or first one or two digits of a code to indicate the year, the year letter could appear anywhere in the Gousha code, so other clues (census date, road network) may be necessary to verify it.

The table below shows the codes for two main map producers, Rand Mc Nally and H. Rand Mc Nally first used date codes in 1919, and Gousha started in 1927.